Researcher Stands in Neck-Deep Shrubs (image) University of Minnesota Share Print E-Mail Caption University of Minnesota researcher Daniel Ackerman wades through neck-deep shrubs in northern Alaska to collect samples. Credit Photo courtesy of Meera Subramanian. Usage Restrictions With credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.